Caledonia Illinois Climate Data

Monthly Average Climate Data for Caledonia Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.8 °F28.5 °F1.63 in.
February15.7 °F32.6 °F1.63 in.
March25.5 °F44.5 °F2.12 in.
April35.9 °F57.6 °F3.7 in.
May47.5 °F69.1 °F4.41 in.
June57.4 °F78.8 °F5.45 in.
July61.4 °F82.3 °F3.85 in.
August59.7 °F80.7 °F4.15 in.
September51.8 °F74.3 °F3.68 in.
October40.2 °F61.3 °F2.9 in.
November29.3 °F46.3 °F2.38 in.
December18.7 °F33.7 °F1.99 in.
Annual38 °F57.5 °F37.89 in.

Climate Data for Caledonia Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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